Donating to organisations that support individuals with hemimelia is important because it can help improve the quality of life for those affected by the condition.

Here are a few organisations based in the UK that support individuals with hemimelia:

1. The Limbless Association: The Limbless Association provides information, support, and advocacy for individuals with limb differences, including hemimelia. They also provide financial assistance for mobility aids and other essential equipment. You can make a donation on their website: https://limbless-association.org/donate/
2. STEPS Charity Worldwide: STEPS Charity Worldwide supports children and adults with lower limb conditions, including hemimelia, by providing access to prosthetic limbs and other necessary equipment. They also offer counseling and peer support services. You can make a donation on their website: https://steps-charity.org.uk/donate/
3. The Children’s Trust: The Children’s Trust provides rehabilitation and support services for children with brain injury, including those with hemimelia caused by vascular malformations or other neurological conditions. You can make a donation on their website: https://www.thechildrenstrust.org.uk/donate
4. Findacure: Findacure is a UK-based charity that supports individuals with rare diseases, including rare forms of hemimelia. They provide information and resources for patients and caregivers, as well as advocating for better research and treatment options. You can make a donation on their website: https://www.findacure.org.uk/support-us/donate/

Remember that there may be other local organisations in your area that support individuals with hemimelia. You can also consider contacting your local hospital or healthcare provider for more information on resources and support options.